It's a phrase in Chinese as a proverb which means that the mountain is so beautiful and the river is so clean.Query for translation equivalent of words in isolation does not make much sense, I am afraid。You need to find a specific example as a sentence or just a fragment with the word you are looking for。Here are two instances I found for your reference。该国山清水秀，风景如画，群山郁郁葱葱。New Zealand has a very beautiful natural landscape with green hills and mountains。山清水秀，丽人娇小，南国情调，风采迷人。Green hills, clear waters and dainty Beauties present a southern tone with an attractive elegant demeanor。...